18218080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3673}}^1$

素因数の和:3719

約数の個数: 48

約数和(自身を含む): 44440704

約数和(自身を除く): 26222624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3673, 4960, 7346, 14692, 18365, 29384, 36730, 58768, 73460, 113863, 117536, 146920, 227726, 293840, 455452, 569315, 587680, 910904, 1138630, 1821808, 2277260, 3643616, 4554520, 9109040, 18218080]

約数ペア:

[(1, 18218080), (2, 9109040), (4, 4554520), (5, 3643616), (8, 2277260), (10, 1821808), (16, 1138630), (20, 910904), (31, 587680), (32, 569315), (40, 455452), (62, 293840), (80, 227726), (124, 146920), (155, 117536), (160, 113863), (248, 73460), (310, 58768), (496, 36730), (620, 29384), (992, 18365), (1240, 14692), (2480, 7346), (3673, 4960)]